Refrigerant: Description and Operation

Refrigerant Lines

The manifold and tube assembly - thermostatic expansion valve carries high pressure liquid to the thermostatic expansion valve and low pressure gas from the thermostatic expansion valve to the manifold and tube assembly-compressor.

The tube assembly - A/C compressor to condenser carries the high pressure gas from the A/C compressor to the condenser core. It also houses the high pressure service port and has a serviceable high pressure relief valve.

The tube assembly - thermostatic expansion valve to the A/C compressor carries the low pressure gas received from the thermostatic expansion valve to the compressor, houses the low pressure service port and has a serviceable low pressure relief valve.
- The manifold and tube assembly - A/C compressor vehicles fitted with 3.5 or 4.2L engine are are not interchangeable with vehicles fitted with a 3.0L engine.

The tube assembly - condenser to thermostatic expansion valve carries high pressure liquid to the manifold and tube assembly-thermostatic expansion valve and houses the high pressure service port.